Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB6ePBQCK4TSHNERRxHHKB3Rk+GFD8e8H4V9dlKjfVcOV5sUwqw4S1zIL/b… (844 chars)"
  }
}